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dk_ch has helped students times in
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On a 228 day streak. Longest streak: 228 days
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dk_ch

I am a retired person interested in Sciences. I am very glad in joining the community of Socratic.org.


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Level 17 in Trigonometry Level 17 in Physics Level 16 in Chemistry Level 14 in Algebra Level 12 in Geometry Level 11 in Organic Chemistry I Level 11 in Precalculus Level 7 in Calculus Level 2 in Statistics Level 2 in Prealgebra
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